David's Astronomy Pages
Notes - Session 1384 (2025-12-12)

 
Bullet Session Aims & Highlights
 - Observing Result
 - Night Summary Plot
 - Session Event Log
Bullet Operational Issues
- Critical Issues (0),  Major Issues (0),  Minor Issues (1),  Small Defects (4),  Continuous Improvement (5)
- Figures (1)
   
Bullet Images from 2025-12-12  >>           
   
Bullet Current/Latest Session >>
   

Session Aims & Highlights (2025-12-15)

Main aims

  1. Targets.  Acquire images of a selection of variable stars, nearby stars, comets & deep sky targets as allowed by sky conditions.
  2. Comets. Acquire

 Equipment & Software

Highlights

NotesNotes

Summary Plots & Logs

Observing Plan
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Observing Result
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Dome & Scope Slewing Performance
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Slew/Centering Performance
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Guiding Performance
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Sky Conditions (Locate Frames)
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Night Sky Summary Plot
Top axis: Sky Brightness at Zenith (in ADU/s)
Lefthand axis: Local Time (hh LT). Righthand axis: Sun Altitude (degs)
Note:  The NorthCam Star Count line is unreliable and should be ignored
(The AstroNorthCam 'Find' Star method is producing many false positives from clouds)
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Actual Weather vs Pre-Session Weather Forecast
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Session Event Log
Time     Event Detail
20:30:26 Session Monitoring AutoStart monitoring for Live Session opportunity between 20:30 & 06:37
20:30:28 Session AutoStarting Session autostarting (20:30)
20:30:41   CCDSoft Restarting CCDSoft being restarted (to set AutoSave No.)
20:30:55 Session Created Session Created (Live, 2025-12-12 S01384, ImageSaveNum: 1384001)
20:31:03   Scope Switched On Telescope Power has been switched on via UPB Switch
20:31:05   Telescope Power Telescope Power has turned off (external to AstroMain)
20:32:52   Services Started Observatory Services started
20:33:02 Observatory (Auto) Observatory placed in Fully-Automated Mode
20:33:04 Session Pending Session pending (2025-12-12)
20:33:06 Session Initiating Session initiating (2025-12-12)
20:33:24   Camera1 Connected SBIG Camera connected (Set point -20°C)
20:33:27   Plan Requested Observing Plan requested from AstroPlan (1.45.3)
20:34:02   Plan Loaded Observing Plan loaded to queue (Plan ID: 1174)
20:34:44   Telescope Connected Telescope connected (TheSky6)
20:35:08 Session Equilibration Session ready to Open Dome
20:35:54   Dome Opened Dome opened (Opening time 45s, Zigbee 41s)
20:36:29 Session Running Session running
20:36:32   Queue Started Observing Queue started (34 targets selected)
20:36:34     Target Started (NrZen) Target started (Focus Field 2, HIP 9508)
20:39:55       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
20:42:38       Focusing Completed Foc1 AutoFocus Completed (Profile No 1, wide)
20:44:55       Focusing Completed Foc1 AutoFocus Completed (Profile No 1)
20:45:16       Focusing Started-Foc2 Foc2 Focusing Started (Secondary Scope, using ShCap)
20:47:04       Focusing Completed Foc2 AutoFocus Completed (Profile No 2, wide)
20:48:51       Focusing Completed Foc2 AutoFocus Completed (Profile No 2)
20:49:11     Target Completed (NrZen) Target completed (Focus Field 2, HIP 9508)
20:49:55     Target Started (1/34) Target started (1/34, NGC 600 w/AT2025abzu)
20:56:29       Focusing Skipped Foc1 focusing skipped - star is lost (TCF-LSI)
21:13:09     Target Completed Target completed (1/34, NGC 600 w/AT2025abzu)
21:13:13     Target Started (2/34) Target started (2/34, NGC 1332)
21:17:59       Focusing Skipped Foc1 focusing skipped - star is lost (TCF-LSI)
21:34:24     Target Completed Target completed (2/34, NGC 1332)
21:34:28     Target Started (3/34) Target started (3/34, GSC 1224:29)
21:38:33       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
21:45:10     Target Completed Target completed (3/34, GSC 1224:29)
21:46:42     Target Started (4/34) Target started (4/34, AT2025adhw)
21:50:37       Focusing Skipped Foc1 focusing skipped - unable to find a star (TCF-LSI)
22:06:53     Target Completed Target completed (4/34, AT2025adhw)
22:09:02     Target Started (5/34) Target started (5/34, UGCA 71)
22:14:13       Focusing Skipped Foc1 focusing skipped - unable to find a star (TCF-LSI)
22:16:40   Focuser1 Focuser1 (TCF-LSI) not accessible (Last valid data at 22:16:19)
22:30:29     Target Completed Target completed (5/34, UGCA 71)
22:31:22     Target Started (6/34) Target started (6/34, WDS GRB 34)
22:35:03       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
22:37:16       Focusing Completed Foc1 AutoFocus Completed (Profile No 3)
22:39:20     Target Completed Target completed (6/34, WDS GRB 34)
22:39:50     Target Started (7/34) Target started (7/34, C/2025 R2 (SWAN))
22:43:47       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
22:46:04       Focusing Completed Foc1 AutoFocus Completed (Profile No 4)
22:55:26     Target Completed Target completed (7/34, C/2025 R2 (SWAN))
22:55:30     Target Started (8/34) Target started (8/34, GCVS BL Lac)
22:59:28       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:01:49       Focusing Completed Foc1 AutoFocus Completed (Profile No 5)
23:05:37     Target Completed Target completed (8/34, GCVS BL Lac)
23:05:41     Target Started (9/34) Target started (9/34, AT2024wqf)
23:09:39       Focusing Skipped Foc1 focusing skipped - star is lost (TCF-LSI)
23:25:44     Target Completed Target completed (9/34, AT2024wqf)
23:28:06     Target Started (10/34) Target started (10/34, C/2025 K1 (ATLAS))
23:31:19       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:33:31       Focusing Completed Foc1 AutoFocus Completed (Profile No 6)
23:47:28     Target Completed Target completed (10/34, C/2025 K1 (ATLAS))
23:47:32     Target Started (11/34) Target started (11/34, C/2022 N2 (PANSTARRS))
23:50:49       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:53:18       Focusing Completed Foc1 AutoFocus Completed (Profile No 7)
00:01:33     Target Completed Target completed (11/34, C/2022 N2 (PANSTARRS))
00:01:37     Target Started (12/34) Target started (12/34, GCVS FO Ori)
00:05:11       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
00:07:37       Focusing Completed Foc1 AutoFocus Completed (Profile No 8)
00:11:07     Target Completed Target completed (12/34, GCVS FO Ori)
00:12:06     Target Started (13/34) Target started (13/34, SN 2025aarn)
00:16:20       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
00:32:26     Target Completed Target completed (13/34, SN 2025aarn)
00:34:26     Target Started (14/34) Target started (14/34, GCVS FU Ori)
00:37:27       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
00:40:20       Focusing Completed Foc1 AutoFocus Completed (Profile No 9)
00:42:54     Target Completed Target completed (14/34, GCVS FU Ori)
00:43:46     Target Started (15/34) Target started (15/34, AT2022udd)
00:47:54       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
00:50:21       Focusing Completed Foc1 AutoFocus Completed (Profile No 10)
01:06:25     Target Completed Target completed (15/34, AT2022udd)
01:06:29     Target Started (16/35) Target started (16/35, 240P/NEAT, ToO)
01:10:42       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
01:21:54     Target Completed Target completed (16/35, 240P/NEAT, ToO)
01:21:56     Target Missed (17/35) Target's time slot was missed (17/35, GCVS U Mon)
01:21:58     Target Started (18/35) Target started (18/35, UGC 4316 w/SN2025advo)
01:25:39       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:28:01       Focusing Completed Foc1 AutoFocus Completed (Profile No 11)
01:44:03     Target Completed Target completed (18/35, UGC 4316 w/SN2025advo)
01:44:08     Target Started (19/35) Target started (19/35, GCVS SY Cnc)
01:47:29       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
01:50:44     Target Completed Target completed (19/35, GCVS SY Cnc)
01:50:48     Target Started (20/35) Target started (20/35, AT2025acvr (CV))
01:54:32       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:56:58       Focusing Completed Foc1 AutoFocus Completed (Profile No 12)
02:13:44     Target Completed Target completed (20/35, AT2025acvr (CV))
02:13:48     Target Started (21/35) Target started (21/35, GCVS CN Leo)
02:16:41   Focuser1 Focuser1 (TCF-LSI) not accessible (Last valid data at 02:16:21)
02:19:44       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
02:21:48       Focusing Completed Foc1 AutoFocus Completed (Profile No 13)
02:29:57     Target Completed Target completed (21/35, GCVS CN Leo)
02:30:01     Target Started (22/35) Target started (22/35, LEDA 3089972 w/SN2025lxm)
02:49:57     Target Completed Target completed (22/35, LEDA 3089972 w/SN2025lxm)
02:50:01     Target Started (23/35) Target started (23/35, NGC 3023 w/AT2025addb)
02:53:30       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
02:56:11       Focusing Completed Foc1 AutoFocus Completed (Profile No 14)
03:12:11     Target Completed Target completed (23/35, NGC 3023 w/AT2025addb)
03:12:16     Target Started (24/35) Target started (24/35, UGCA 151)
03:15:44       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
03:32:07     Target Completed Target completed (24/35, UGCA 151)
03:32:44     Target Started (25/35) Target started (25/35, NGC 2935)
03:37:24       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
03:53:47     Target Completed Target completed (25/35, NGC 2935)
03:55:04     Target Started (26/35) Target started (26/35, GCVS ER UMa)
03:58:26       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
04:02:19     Target Completed Target completed (26/35, GCVS ER UMa)
04:02:23     Target Started (27/36) Target started (27/36, 3I/ATLAS, ToO)
04:05:48       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
04:08:10       Focusing Completed Foc1 AutoFocus Completed (Profile No 15)
04:25:59     Target Completed Target completed (27/36, 3I/ATLAS, ToO)
04:26:01     Target Missed (28/36) Target's time slot was missed (28/36, NGC 3106 w/SN2025aauj)
04:27:42     Target Started (29/36) Target started (29/36, GCVS RZ LMi)
04:31:13       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
04:33:28       Focusing Completed Foc1 AutoFocus Completed (Profile No 16)
04:38:44     Target Completed Target completed (29/36, GCVS RZ LMi)
04:39:20     Target Started (30/36) Target started (30/36, SN 2025zry)
04:42:37       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
04:45:11       Focusing Completed Foc1 AutoFocus Completed (Profile No 17)
05:01:27     Target Completed Target completed (30/36, SN 2025zry)
05:01:40     Target Started (31/36) Target started (31/36, 29P/Schwassmann-Wachmann)
05:05:49       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
05:20:57     Target Completed Target completed (31/36, 29P/Schwassmann-Wachmann)
05:22:54     Target Started (32/36) Target started (32/36, NGC 4710 w/AT2025acfi)
05:26:03       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
05:42:26     Target Completed Target completed (32/36, NGC 4710 w/AT2025acfi)
05:42:30     Target Started (33/37) Target started (33/37, T CrB, ToO)
05:45:18       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
05:47:37       Dome Unparked Dome unparked
05:47:49       Focusing Completed Foc1 AutoFocus Completed (Profile No 18)
05:51:55     Target Completed Target completed (33/37, T CrB, ToO)
05:51:59     Target Started (34/37) Target started (34/37, M63)
06:10:57     Target Completed Target completed (34/37, M63)
06:11:01     Target Started (35/38) Target started (35/38, 3I/ATLAS, ToO)
06:15:01       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
06:17:19       Focusing Completed Foc1 AutoFocus Completed (Profile No 19)
06:23:21       SoftSuspend Called Soft Suspend called due to Deteriorating Conditions (too few stars)
06:34:36     Target Completed Target completed (35/38, 3I/ATLAS, ToO)
06:34:38   Queue Paused Queue paused for Session Suspension
06:34:40 Session Suspending Session suspending
06:35:27   Dome Closed Dome closed (Closing time 50s, Zigbee 44s)
06:35:28 Session Suspended Session suspended
06:35:57     Target Missed (36/38) Target's time slot was missed (36/38, GCVS R CrB)
06:36:11     Target Cancelled Target cancelled (37/38, UGC 10809 w/SN2025vaw) due to cloud
06:59:37     Target Cancelled Target cancelled (38/38, T CrB) due to too few stars
06:59:41   Queue Completed Job Queue completed
06:59:45 Session Closing Session closing
06:59:49   Dome Closed Dome already closed (closed at 06:35, closing time 50s, zigbee 44s)
07:00:49   Dome Parked Dome parked (parking time 51s), Az: 90.0 deg
07:01:31   Telescope Parked Telescope parked (parking time 35s total)
07:02:01   Telescope State Handbox reads 'Scope parked Turn scope off.'
07:02:23   Telescope Switched Off Telescope Power has been switched off via UPB Switch.
07:03:47   Services Stopped Night Services stopped
07:03:50 Session Finishing Session Finishing started (Create Fits Summary, Transfer Files)
07:05:12     Dome (Find Park) Find Park started (Search Az 80.0 to 100.0°, Step 1.0°, Wide)
07:06:05     Dome Find Park found (Best Park Az 91.0°)
07:06:11     Dome (Find Park) Find Park started (Search Az 89.0 to 93.0°, Step 0.2°, Narrow)
07:06:58     Dome Find Park found (Best Park Az 91.0°)
07:07:04     Dome Dome has been synced at park position (Az 90.0°, Adjustment: -1.0°)
07:07:06   Dome Parked Dome parked
07:09:15   Dome Charging Dome is parked and re-charging Ok (22mA)
07:09:17 Session Finished Session Finished
 
Session Alerts & Alarms
Time     Type       Name Detail
22:16:40 Red Alert Focuser1 Focuser1 (TCF-LSI) not accessible (Last valid data at 22:16:19)
22:16:56 Green Clear Focuser1 Focuser1 (TCF-LSI) is accessible again. Outage was 37s
02:16:41 Red Alert Focuser1 Focuser1 (TCF-LSI) not accessible (Last valid data at 02:16:21)
02:16:57 Green Clear Focuser1 Focuser1 (TCF-LSI) is accessible again. Outage was 36s
07:09:15 Green Clear Dome Charging Dome is parked and re-charging Ok (22mA)
 

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Operational Issues (2025-12-12 S1384)

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Fig 1.  Windows Notification annouching part of Peg.Server app was blocked.

After restarting the AllSky/Weather Computer following Windows Update, a notification popped up with the message annouched that part of the Peg.Server was blocked.  AstroObsCam, AstroWeather, and PegasusAstro Unity UI couldn't connect to the USB Control Hub. Resolved by restarting "Peg.Server.exe"

Image

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